package com.lss.service;

import com.lss.bean.LoginControllerUser;

public interface LoginService {
    //查询账户密码是否正确
    LoginControllerUser checkLoginSuccessful(String username, String password);

    //修改登录密码
    void changePassword(String username, String password);

    //通过账号查询密码
    String queryPassword(String username);
}
